Charge heater for internal-combustion engines



Feb, 13, 1923.

Filed Jan. 1s, 1919 Patented Feb. l3, 3923.

CHARGE FOR INTERNAL-CGIMBUSTION ENGINES.

Application filed January 13, 1919. Serial No.

To all 107mm it may concern:

Be it known that I, HARRY B. Vnsran, a citizen of the United States, residing at Chicago, in the county of Cook and I 'e of Illinois, have invented a new and useful Charge Heater for IlliiBIIlttl-COIIlbHSt-i011 Engines, of which the following is a specification.

This invention relates to an attachment for int rnal combustion engines, for conducting the heat of the exhaust gases to the intake manifold, causing a hot spot to form on said intake manifold so that the incoming charge of fuel and air in passing such hot spot on said intake manifold will be heated, and more fully vaporized, so that greater power may be obtained from a given amount of fuel and less carbon may be formed in the cylinders of the engine, and that starting of the engine may be accomplished more quickly, due to rapid ieating of the intake manifold or due to the heat held. in suspension by this device from previous operation of the engine.

It is the object of the invention to provide an attachment of the character indicated to be readily applied and which is so constructed as to carry out the desirei'l objects in an effective manner, the device being simple and inexpensive in construction, and being thoroughly practical and efiicacious in use.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed, can be made within the scope of what is claimed, without departing from the spirit of the invention.

The invention is illustrated in the accompanying drawing, wherein Figure 1 is an elevation of the device as applied to the engine, with part of the cover broken away to show the details.

Figure 2 is a vertical section on the line 2-2 of Fig. 1, and like parts bear like numbers.

In the drawing there is shown an enine E. of the conventional automobile l- ,ylinder type. The invention may be used on engines of fewer or more cylinders and easel or other vaporizer is attached and which supplies the engine with fuel, and an exhaust manifold both, of which manifolds.

clamps 5, secured by nutslfi, onstudt which are screwed into the engine or cylinder body casting E.

The invention embodies a conductor, pref erably made of two castings 8 and 9, having sloping faces 10, for adjustment, held in relation, one to the other and to the intake and exhaust manifolds by the screw 11; and a cover 12, preferably held in position against the engine by the clamps 5 and nr 1 6, and surrounding the intake and exhaust manifolds.

As is well known to those skilled in the art, the exhaust manifold becomes highly heated from the hot exhaust gases when the engine is in operation. The object of the conductor is to carry part of this heat to the intake manifold and to form a hot spot on. said intake manifold that the incoming charge of fuel and air may strike it and be heated and further vaporized, giving increased power for a given amount of fuel. r-inother object is to absorb and hold such heat in suspension so that restarting of the engine may be more readily accomplished. The object of the cover 12,

is to deflect the flow of air from the fan or air-cooling device of the engine, or the atmosphere, and to conduct the heat from the exhaust manifold to the intake manifold to the end that the entire intake manifold may be heated generally, and to protect the conductor from rapid cooling when the engine has been stopped.

Having thus described the invention, what I claim is 1. In a device of the kind described the combination with an exhaust and intake manifold for internal combustion engines, of a conductor for carrying part of the heat of the exhaustgases from the exhaust manifold to the intake manifold. said conductor consisting of two or more parts having slidab-ly disposed facesadapted to force the conductor into contact with the intake and exhaust manifolds.

2. A heat conductor adapted to be interposed between the exhaust and intake manifold of an engine, comprising oppositely may be held in position onthe engine by faced parts formed for engagement with the exhaust and intake manifolds respectively, and means providing heat conducting, adjustable connection between said parts adapted to force them into such engagement.

3. A heat conductor adapted to be interposed between the exhaust and intake manifolds of an engine, comprising an expansible member including oppositely faced parts formed for engagement with the exhaust and intake manifolds respectively, and means for expanding said member Without materially affecting the heat conductivity of said member,

4. A heat conductor adapted to be interposed between the exhaust and intake manifolds of an engine, comprising two parts having oppositely inclined engaging surfolds of an engine, comprising hollow blocks having oppositely inclined engaging faces, each block having a face formed for engagement with one of said manifolds, and means operable from without said blocks adapted to lock said blocks together and to move said blocks relatively upon their engaged faces.

HARRY B. VESTED. Witnesses:

RUTH M. BELL, EDITHA M. BARRY. 

